Finding the Fourth Proportional to 202,787,106.56, 279,846,281.44 and 109,967,589.84
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Solution
The fourth proportional to 202,787,106.56, 279,846,281.44 and 109,967,589.84 is: 151,755,314.32
Step by Step Solution
- Step 1: Write the proportion equation
202,787,106.56 : 279,846,281.44 = 109,967,589.84 : x - Step 2: Convert to fraction form
202,787,106.56/279,846,281.44 = 109,967,589.84/x - Step 3: Cross multiply
202,787,106.56x = 279,846,281.44 × 109,967,589.84 - Step 4: Simplify right side
202,787,106.56x = 30,774,021,095,643,124 - Step 5: Solve for x
x = 30,774,021,095,643,124/202,787,106.56 - Step 6: Final answer
x = 151,755,314.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.